The Tomcat process is not able to access the scratchDir or deployment directory, most likely due to file permissions. The scratchDir is used by Tomcat when compiling JSPs which is the technology used to render the dynamically created web pages in JIRA applications. If Tomcat cannot access that directory it can result in failures to properly operate.

Here is the resolution:

Stop your JIRA application.

Fix the permissions for the below directories and all of their subdirectories: